22 lines
415 B
C++
22 lines
415 B
C++
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#include <bits/stdc++.h>
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using namespace std;
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const int N = 1e5 + 10;
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char a[N];
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int main() {
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freopen("reverse.in", "r", stdin);
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freopen("reverse.out", "w", stdout);
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int n;
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cin >> n;
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for (int i = 0; i < n; i++) cin >> a[i];
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for (int i = 0; i < n; i++)
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if (i % 2 == 0)
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cout << !(a[i] - '0');
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else
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cout << a[i];
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return 0;
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}
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